Diplomado Geologia Estructural - UG

"a Topographic map of Jamaica with the principal faults from83,84,85,86,88. DF: Duanvale Fault, EPGF: Enriquillo-Plantain Garden Fault, WF: Walton Fault, RMCRF: Rio Minho-Crawle River Fault, M.P.: Micro Plate. b Model α = 15∘, Δ = 55 km at 16 Myrs showing the topography and the interpretation of the active deformation."

Source:
Jourdon, A., Le Pourhiet, L., May, D.A. et al. Lithospheric models supported by the Caribbean and Levant examples help rethink transpression at plate boundaries. Nat Commun 17, 1290 (2026). https://doi.org/10.1038/s41467-025-68051-2

🌎⚒💎There is something beautifully powerful about the Wilson cycle (part 2 of 2) The formation and evolution of continental plates through plate tectonics 👈

📸🪨 Impresionante plegamiento varisco en turbiditas

En la Formación Crackington, expuesta en Hartland Quay (Devon), las antiguas turbiditas registran la intensa deformación asociada a la orogenia varisca.

🔥 Durante la colisión continental del Paleozoico, enormes esfuerzos compresivos plegaron estas secuencias marinas profundas, generando estructuras espectaculares que hoy podemos observar en acantilados costeros.

🌊 Estas turbiditas se depositaron originalmente en ambientes marinos profundos mediante corrientes de densidad, y millones de años después fueron deformadas por procesos tectónicos regionales.

🧭 Un ejemplo perfecto de cómo:
Sedimentación + Tectónica = Historia geológica registrada en roca.

📷 Crédito: K. Read

Repeated Large‐Magnitude Earthquakes in the Marianna Area of East‐Central Arkansas During the Middle‐Early Holocene and Possibly the Late Pleistocene

About 70 kilometers southwest of Memphis, Tennessee and 80 kilometers south of the New Madrid seismic zone, scientists discovered large weathered sand blows and related sand dikes about 20 years ago. These liquefaction-related features, discovered near Marianna, Arkansas, surprised scientists because no large historical earthquakes had been reported here. Given their age and large size, the sand blows likely formed as a result of large earthquakes centered in the Marianna area.

Additional study found that these large sand blows line up along the Daytona Beach Lineament, which is straight and subparallel to the nearby White River fault zone. Smaller sand blows with ages matching some of the Marianna sand blows are found as far away as Marked Tree, Arkansas, Blytheville, Arkansas, and Tunica, Mississippi.

In a new paper, a team of scientists presents a seismic reflection study that identified a fault zone beneath the lineament. Liquefaction potential analysis suggests that earthquakes ranging from magnitude 6 to 6.5, generated by the fault zone beneath the Daytona Beach lineament, could have induced liquefaction. They also found that larger Marianna earthquakes ranging up to magnitude 7.5 would be required to induce liquefaction at sites far from Marianna.

https://pubs.geoscienceworld.org/ssa/srl/article/doi/10.1785/0220250324/724297/Repeated-Large-Magnitude-Earthquakes-in-the?utm_source=facebook&utm_medium=social&utm_campaign=papers

A clear example of a d**e, where molten magma intruded into a crack in the existing rock.

"A InSAR-derived surface deformation rates expressed as mean annual line-of-sight velocity (VLOS); B cumulative deformation time series from 1 January 2022 to 8 December 2024; and C daily precipitation time series over the same period. The red star in B marks the 15 November 2024 Pazar (Rize) earthquake (Mw 4.7). Precipitation in C is from the Climate Hazards group InfraRed Precipitation with Stations dataset (CHIRPS, Funk et al. 2015)."

Source:
Görüm, T., Tanyaş, H., Yılmaz, A. et al. Fatal debris avalanche on an anthropogenically disturbed, earthquake-perturbed slope during antecedent rainfall. Landslides (2026). https://doi.org/10.1007/s10346-026-02713-0

"Geomorphology map of the Güngören debris avalanche. A Geomorphologic units, B zones of the landslide, and (C) UAV view of the unstable landslide masses (UM) bounded by tension cracks. A′-A″ refers to the geologic profile in Fig. 3".

Source:
Görüm, T., Tanyaş, H., Yılmaz, A. et al. Fatal debris avalanche on an anthropogenically disturbed, earthquake-perturbed slope during antecedent rainfall. Landslides (2026). https://doi.org/10.1007/s10346-026-02713-0

⛏️✨ Defiance Silver Corp reporta resultados de plata alta ley en su campaña de perforación en el sistema Veta Grande del proyecto San Acacio, confirmando continuidad lateral y vertical en múltiples zonas mineralizadas.

Estos hallazgos fortalecen el modelo geológico y respaldan la próxima estimación de recursos, consolidando el potencial del proyecto en uno de los distritos históricos de Zacatecas.

Lee la nota completa aquí: https://miningmexico.com/defiance-silver-reporta-resultados-de-alta-ley-en-su-campana-de-perforacion-en-el-proyecto-san-acacio/

⛏️

Onza de Oro repunta 7.5% en febrero; acumula rally de 60% en 7 meses en alza - Mining México El precio de la onza de oro alargó el viernes su rally alcista en el mercado de NY, acumulando su séptima ganancia mensual consecutiva.

Han transcurrido 34 días sin saber del paradero de nuestros colegas desaparecidos el pasado 23 de enero en , Sinaloa, que aún no sabemos de ellos.

Sus familias y compañeros los esperan.

Cap-Aimmgm Rubén Del Pozo Aimmgm Distrito San Luis Aimmgm Distrito San Luis Aimmgm Distrito NUEVO LEON WIM de México Aimmgm Comité de Damas - Distrito Sonora AIMMGM Distrito Chihuahua Aimmgm Distrito Sinaloa Aimmgm Distrito Sonora Aimmgm Distrito Sinaloa Aimmgm Zacatecas Aimmgm Distrito Pachuca Aimmgm Damas SLP Aimmgm Fresnillo Colegio de Ingenieros de Minas Metalurgistas y Geólogos de México Distrito La Carbonífera Aimmgm Cámara Minera de México Omar García Harfuch Cluster Minero de Chihuahua AC MundoMinero Orgullo Minero Prominería Distrito Guanajuato Aimmgm

🔊⛏️ Emotiva y contundente protesta en el Distrito Minero Mulatos. Con claxons y maquinaria pesada, trabajadores honraron a los mineros de Concordia, Sinaloa, y exigieron justicia y seguridad. #Mineros #ConcordiaSinaloa #DistritoMulatos